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Copyright protects original creative works and arises automatically the moment the work is created. A patent protects an invention, exists only once a patent office grants it, and lapses unless patent renewal fees are paid.
| Copyright | Patent | |
|---|---|---|
| Protects | Original creative works | Inventions and technical solutions |
| How it starts | Automatically, on creation | Filed, examined, then granted |
| Registration | Not required in most countries | Required |
| Typical duration | Life of the author plus 50 to 70 years | Typically up to 20 years from filing |
| Ongoing fees | None | Renewal fees, usually annual |
| How it ends | The term runs out | The term runs out, or a fee goes unpaid |
Yes, and software is the clearest case. The source code is a literary work protected by copyright from the moment it is written. A genuinely novel technical method inside that software may separately be patentable, if it meets the tests of novelty, inventive step and industrial applicability.
They protect different layers of the same product. Copyright stops someone copying the code as written. A patent stops someone implementing the method at all, including in code they wrote independently.
Only the patent. Copyright requires no renewal, no fee and no filing to stay alive, which is why it needs no management at all.
A patent needs a fee paid in every country where it is granted, on a schedule set by each office, for up to 20 years. Missing one payment in one country puts protection there at risk, whatever the position elsewhere. Most jurisdictions allow a grace period with a surcharge, but not all of them do.
